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2828876660 = 225197717989
BaseRepresentation
bin1010100010011101…
…0011101101110100
321022011000211020122
42220213103231310
521243143023120
61144412351112
7130050024551
oct25047235564
97264024218
102828876660
1112219109a5
1266b475498
133610cab1c
141cb9bda28
15118540a25
hexa89d3b74

2828876660 has 24 divisors (see below), whose sum is σ = 5970804840. Its totient is φ = 1125805184.

The previous prime is 2828876657. The next prime is 2828876663. The reversal of 2828876660 is 666788282.

It is an interprime number because it is at equal distance from previous prime (2828876657) and next prime (2828876663).

It can be written as a sum of positive squares in 4 ways, for example, as 1800135184 + 1028741476 = 42428^2 + 32074^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2828876663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355055 + ... + 362934.

It is an arithmetic number, because the mean of its divisors is an integer number (248783535).

Almost surely, 22828876660 is an apocalyptic number.

2828876660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2828876660 is an abundant number, since it is smaller than the sum of its proper divisors (3141928180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2828876660 is a wasteful number, since it uses less digits than its factorization.

2828876660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718195 (or 718193 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 53.

The square root of 2828876660 is about 53187.1851107012. The cubic root of 2828876660 is about 1414.2884809465.

The spelling of 2828876660 in words is "two billion, eight hundred twenty-eight million, eight hundred seventy-six thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 197 394 788 985 1970 3940 717989 1435978 2871956 3589945 7179890 14359780 141443833 282887666 565775332 707219165 1414438330 2828876660